CN102515094A - Device and method for producing hydrogen by biomass - Google Patents
Device and method for producing hydrogen by biomass Download PDFInfo
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- CN102515094A CN102515094A CN2011104224262A CN201110422426A CN102515094A CN 102515094 A CN102515094 A CN 102515094A CN 2011104224262 A CN2011104224262 A CN 2011104224262A CN 201110422426 A CN201110422426 A CN 201110422426A CN 102515094 A CN102515094 A CN 102515094A
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Abstract
The invention discloses a device and a method for producing hydrogen by biomass, belonging to the technical field of biomass energy chemical industry. The device comprises a gasification section, a reforming hydrogen production section and a blowing tube disposed in the device, wherein a biomass charge hole and a slag discharge hole are disposed on the bottom of the device; a vapour inlet is disposed on the upper part of the gasification section; a gas outlet is disposed on the upper part of the reforming hydrogen production section; and a catalyst bed layer and an ash-isolating net are disposed in the interior of the device. A hydrogen-enriched gas is obtained mainly by internally-circulated turbulent flow open-centre gasification biomass and fixed bed vapour catalytic reforming hydrogen production. The device has the advantages of being great in adaptability to raw materials and increased in the usage amount of vapour in raw materials due to independently-disposed vapour inlet. The method combines with internally-circulated turbulent flow open-centre gasification and fixed bed vapour catalytic reforming hydrogen production, so as to product hydrogen product with high additional value and increase the hydrogen production rate of catalytic reforming. The device and the method is wide in the source of biomass raw material, simple in hydrogen production method, very low in cost and capable of controlling the secondary pollutants possibly generated during biomass hydrogen production process.
Description
Technical field
The present invention relates to a kind of device and method that utilizes biomass to make hydrogen, belong to the biomass energy chemical technology field.
Background technology
World's biomass energy consumes and utilizes at present, is only second to oil, coal and Sweet natural gas, occupies the 4th.Biomass are to be renewablely directly to store and transport again; Yet biomass utilize technical costs higher; Relate in particular to waste or used plastics and city organic solid castoff biolobic material; Its disposal is each national difficult problem of the world always, how to make the biomass utilization have profitability, and can the large-scale promotion use also be the problem of extensive concern.The organic solid useless enormous amount that produces in China city, pollution problem becomes increasingly conspicuous, and especially the reasonable disposal of waste or used plastics etc. has become very important society and environmental problem., no matter be that burning utilizes heat energy or cracking aerogenesis at present, exist all that direct utilization ratio is not high, cost is very high, and produce secondary pollution problems at the biomass mixture material energy conversion aspect that comprises waste or used plastics, municipal solid organic waste etc.The Chinese invention patent specification sheets on March 12nd, 2008 disclosed a kind of " utilizing the devices and methods therefor of plastic waste catalyzing manufacturing of hydrogen " (application number: 200710045206.6; Publication number: CN101139083); This device for producing hydrogen bottom is the fluidized-bed gasification section, and top is the water vapour catforming hydrogen production section, and device gasification section part will keep suitable fluidized state just can reach high efficiency gasification; Air that process adopts and water vapour are as the virgin gas of vaporized chemical and reformation hydrogen production, and product hydrogen rate is not high.
Summary of the invention
The present invention provides a kind of device that utilizes biomass to make hydrogen, and this device can be realized biomass hydrogen preparation in a reactor drum, and the hydrogen manufacturing cost is low, product hydrogen rate is high, can control issuable secondary pollution in the biomass hydrogen preparation process simultaneously.
The technical scheme that the present invention adopts is: a kind of device that utilizes biomass to make hydrogen; Comprise gasification section, reformation hydrogen production section and be arranged on the inner winding-up pipe of device; The inside of gasification section provides the biomass material gasification, and the bottom is provided with biomass feed inlet and slag-drip opening, also comprises the water vapour import that is arranged on the gasification section; The top of reformation hydrogen production section is provided with pneumatic outlet; Inside is provided with beds and separated grey net, and beds and separated grey net are fixedly connected on the winding-up pipe, and winding-up is managed import and is communicated with the winding-up pipe on the top of installing.
A kind of said apparatus that utilizes comprises the following steps: the method for biomass preparation for hydrogen
A. the happy formula gasified bio-matter of internal recycle turbulent flow: biomass are pulverized be the particle of diameter 5～10mm; Biomass are stalk biomass, waste or used plastics or city organic solid castoff; Add the unslaked lime that accounts for biomass massfraction 2～5% with the biomass same particle size; The mixture of biomass and unslaked lime is from the material inlet feeder of device; The mixed gas of forming with water vapour and nitrogen is as turbulent flow gas and vaporized chemical, manages from top to bottom through winding-up in the jetting device from the winding-up pipe import of device, forms happy formula internal recycle turbulent flow gasification mode; 500～700 ℃ with gasifying biomass, winding-up pipe mixed gas is that 80～90% water vapour and volume(tric)fraction are that 10～20% nitrogen is formed by volume(tric)fraction;
B. fixed bed water vapour catforming hydrogen production: by the gasification of device hypomere thick gas that generates and the water vapour that sprays into by the water vapour import; Through separated grey net and beds; The reaction of generation water vapour catforming; The catalyzer that adopts is a KF104 type methanol steam reforming catalyzer, and the gas products that finally is rich in hydrogen is discharged from pneumatic outlet.
The invention has the beneficial effects as follows: the present invention well is incorporated into gasifying biomass and water vapor CR in the device; The device internal structure is simple; Have the competent useful space, help high speed internal recycle turbulent flow, mix and reaction the separated grey net of set inside; Not only support catalyst, stop flying dust, also have simultaneously the effect of gas distributor concurrently; Device is provided with the water vapour import separately, is convenient to increase raw water steam consumption, promotes reaction, and numerous biomass materials can be extensively adopted in hydrogen manufacturing of the present invention, and cost is very low, has environmental effect and economic benefit preferably; It is catalyzer that present method gasifying stage adopts unslaked lime, not only plays the catalytic gasification effect, and the pollutents such as tar that gasification is produced have control action kou preferably; In the water vapour catforming hydrogen production stage, add the excessive water steam, the be converted thick gas in autopneumatolysis stage of orientation, obtaining than high yield hydrogen rate, technology is simple, can control issuable secondary pollutant in the biomass hydrogen preparation process.
Description of drawings
Fig. 1 is the structural representation of device for producing hydrogen of the present invention;
Fig. 2 is the schema of hydrogen production process of the present invention.
Among the figure: 1, a kind of device that utilizes biomass to make hydrogen, 2, gasification section, 3, the reformation hydrogen production section, 4, the winding-up pipe; 5, raw material, 6, biomass feed inlet, 7, slag-drip opening, 8, the water vapour import; 9, pneumatic outlet, 10, beds, 11, at a distance from grey net, 12, the import of winding-up pipe.
Embodiment
Below in conjunction with accompanying drawing the present invention is described further.
As shown in Figure 1; A kind of device 1 that utilizes biomass to make hydrogen comprises gasification section 2, reformation hydrogen production section 3 and is arranged on the inner winding-up pipe 4 of device that the inside of gasification section 2 is placed with biomass material 5; The bottom is provided with biomass feed inlet 6 and slag-drip opening 7; Also be provided with water vapour import 8 on the gasification section 2, the top of reformation hydrogen production section 3 is provided with pneumatic outlet 9, and inside is provided with beds 10 and nets 11 at a distance from ash; Beds 10 and separated ash net 11 are fixedly connected on the winding-up pipe 4, and the pipe import 12 of jetting is communicated with winding-up pipe 4 on the top of device.
As shown in Figure 2, utilize said apparatus that biomass are prepared the method for hydrogen, comprise the following steps:
A. the happy formula gasified bio-matter of internal recycle turbulent flow: biomass are pulverized be the particle of diameter 5～10mm; Biomass are stalk biomass, waste or used plastics or city organic solid castoff; Add the unslaked lime that accounts for biomass massfraction 2～5% with the biomass same particle size; The mixture of biomass and unslaked lime is from material inlet 6 feeders of device; The mixed gas of forming with water vapour and nitrogen is as turbulent flow gas and vaporized chemical, from top to bottom in the jetting device, forms happy formula internal recycle turbulent flow gasification mode through winding-up pipe 4 from the winding-up pipe import 12 of device; 500～700 ℃ with gasifying biomass, winding-up pipe mixed gas is that 80～90% water vapour and volume(tric)fraction are that 10～20% nitrogen is formed by volume(tric)fraction;
B. fixed bed water vapour catforming hydrogen production: by the gasification of device hypomere thick gas that generates and the water vapour that sprays into by water vapour import 8; Through separated ash net 11 and beds 10; The reaction of generation water vapour catforming; The catalyzer that adopts is a KF104 type methanol steam reforming catalyzer, and the gas products that finally is rich in hydrogen is discharged from pneumatic outlet 9.
Adopt the TS101-GC analytical instrument to analyze hydrogen, methane, CO and CO at pneumatic outlet 9
2Content.
Embodiment 1:
It is 10mm that biomass straw is crushed to average particulate diameter, adds then that to account for the biomass massfraction be 5% unslaked lime, and raw material is that 10kg/h sends into from installing 1 biomass feed inlet 6 with speed; With volume(tric)fraction is that 80% water vapour and 20% nitrogen mixture body are vaporized chemical; The total volumetric flow rate of vaporized chemical be 30
/h, vaporized chemical is from installing 1 winding-up pipe import 12 from top to bottom through in winding-up pipe 4 jetting devices 1; 700 ℃ of gasified biomass, the thick gas that gasification produces and the water vapour that is sprayed into by water vapour import 8 is through getting into beds 10 at a distance from ash net 11, issues the unboiled water steam reforming reaction in the effect of catalyzer.Catalyzer is a KF104 type methanol steam reforming catalyzer; The average catalyst particle diameter is 0.45mm's, and consumption is 10kg; In the 1 little the reaction time, adopt TS101-GC analytical instrument analysed preparation gaseous constituent, mensuration product gas average-volume concentration is: 12.5% H
2, 0.5% CH
4, 5% CO
2, 0.8% CO, remaining gas is N
2And water vapour.
Embodiment 2:
It is 5mm that waste or used plastics is crushed to average particulate diameter, adds then that to account for the biomass massfraction be 2% unslaked lime, and raw material is that 10kg/h sends into from installing 1 biomass feed inlet 6 with speed; With volume(tric)fraction is that 90% water vapour and 10% nitrogen mixture body are vaporized chemical; The total volumetric flow rate of vaporized chemical be 30
/h, vaporized chemical is from installing 1 winding-up pipe import 12 from top to bottom through the bottom of winding-up pipe 4 jetting devices 1; At 600 ℃ of gasified bio-matters, the thick gas that gasification produces and the water vapour that is sprayed into by water vapour import 8 is through getting into beds 10 at a distance from ash net 11, issues the unboiled water steam reforming reaction in the effect of catalyzer.Catalyzer is a KF104 type methanol steam reforming catalyzer; The average catalyst particle diameter is 0.45mm, and consumption is 10kg; In the 1 little the reaction time, adopt TS101-GC analytical instrument analysed preparation gaseous constituent, mensuration product gas average-volume concentration is: 16.5% H
2, 0.3% CH
4, 6% CO
2, 0.2% CO, remaining gas is N
2And water vapour.
Embodiment 3:
With the sorting of municipal solid organic waste, remove metal and inorganic impurity, being crushed to average particulate diameter then is 5mm, adds then that to account for the biomass massfraction be 5% unslaked lime, raw material is that 10kg/h sends into from installing 1 biomass feed inlet 6 with speed; With volume(tric)fraction is that 85% water vapour and 15% nitrogen mixture body are vaporized chemical; The total volumetric flow rate of vaporized chemical be 30
/h, vaporized chemical is from installing 1 winding-up pipe import 12 from top to bottom through the bottom of winding-up pipe 4 jetting devices 1; At 500 ℃ of gasified bio-matters, the thick gas that gasification produces and the water vapour that is sprayed into by water vapour import 8 is through getting into beds 10 at a distance from ash net 11, issues the unboiled water steam reforming reaction in the effect of catalyzer.Catalyzer is a KF104 type methanol steam reforming catalyzer; The average catalyst particle diameter is 0.45mm, and consumption is 10kg; In the 1 little the reaction time, adopt TS101-GC analytical instrument analysed preparation gaseous constituent, mensuration product gas average-volume concentration is: 11.5% H
2, 0.2% CH
4, 4.6% CO
2, 0.5% CO, remaining gas is N
2And water vapour.
Claims (2)
1. device (1) that utilizes biomass to make hydrogen; Comprise gasification section (2), reformation hydrogen production section (3) and be arranged on the inner winding-up pipe (4) of device; The bottom of gasification section (2) is provided with biomass feed inlet (6) and slag-drip opening (7), it is characterized in that, also comprises the water vapour import (8) that is arranged on the gasification section (2); The top of reformation hydrogen production section (3) is provided with pneumatic outlet (9); Inside is provided with beds (10) and separated grey net (11), and beds (10) and separated grey net (11) are fastened on the winding-up pipe (4), and winding-up is managed import (12) and is communicated with winding-up pipe (4) on the top of installing.
2. one kind is utilized said apparatus with the method for biomass preparation for hydrogen, it is characterized in that, comprises the following steps:
A. the happy formula gasified bio-matter of internal recycle turbulent flow: biomass are pulverized be the particle of diameter 5～10mm; Biomass are stalk biomass, waste or used plastics or city organic solid castoff; Add the unslaked lime that accounts for biomass massfraction 2～5% with the biomass same particle size; The mixture of biomass and unslaked lime is from material inlet (6) feeder of device; The mixed gas of forming with water vapour and nitrogen is as turbulent flow gas and vaporized chemical, from top to bottom in the jetting device, forms happy formula internal recycle turbulent flow gasification mode through winding-up pipe (4) from the winding-up pipe import (12) of device; 500～700 ℃ with gasifying biomass, winding-up pipe mixed gas is that 80～90% water vapour and volume(tric)fraction are that 10～20% nitrogen is formed by volume(tric)fraction;
B. fixed bed water vapour catforming hydrogen production: by the gasification of device hypomere thick gas that generates and the water vapour that sprays into by water vapour import (8); Through separated grey net (11) and beds (10); The reaction of generation water vapour catforming; The catalyzer that adopts is a KF104 type methanol steam reforming catalyzer, and the gas products that finally is rich in hydrogen is discharged from pneumatic outlet (9).
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| CN2011104224262A CN102515094A (en) | 2011-12-16 | 2011-12-16 | Device and method for producing hydrogen by biomass |
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| CN2011104224262A CN102515094A (en) | 2011-12-16 | 2011-12-16 | Device and method for producing hydrogen by biomass |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103569963A (en) * | 2013-10-25 | 2014-02-12 | 常州大学 | Device for increasing hydrogen yield in gas production process of biomass |
| CN104017604A (en) * | 2014-06-25 | 2014-09-03 | 清华大学 | Device and method for preparing bio-hydrogen by biomass gasification catalytic reforming |
| CN112251258A (en) * | 2020-11-05 | 2021-01-22 | 北京一亚高科能源科技有限公司 | TFB gasification furnace with built-in double beds |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1608972A (en) * | 2004-09-20 | 2005-04-27 | 东南大学 | Biomass-gasifying hydrogen generating serial fluid bed apparatus and method |
| CN101139083A (en) * | 2007-08-23 | 2008-03-12 | 上海电力学院 | Devices for catalyzing manufacturing of hydrogen by using waste plastics and methods thereof |
| CN101913561A (en) * | 2010-08-07 | 2010-12-15 | 大连理工大学 | Process for producing hydrogen by continuously catalyzing, absorbing, strengthening and reforming biological glycerine through moving bed |
-
2011
- 2011-12-16 CN CN2011104224262A patent/CN102515094A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1608972A (en) * | 2004-09-20 | 2005-04-27 | 东南大学 | Biomass-gasifying hydrogen generating serial fluid bed apparatus and method |
| CN101139083A (en) * | 2007-08-23 | 2008-03-12 | 上海电力学院 | Devices for catalyzing manufacturing of hydrogen by using waste plastics and methods thereof |
| CN101913561A (en) * | 2010-08-07 | 2010-12-15 | 大连理工大学 | Process for producing hydrogen by continuously catalyzing, absorbing, strengthening and reforming biological glycerine through moving bed |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103569963A (en) * | 2013-10-25 | 2014-02-12 | 常州大学 | Device for increasing hydrogen yield in gas production process of biomass |
| CN104017604A (en) * | 2014-06-25 | 2014-09-03 | 清华大学 | Device and method for preparing bio-hydrogen by biomass gasification catalytic reforming |
| CN104017604B (en) * | 2014-06-25 | 2016-03-30 | 清华大学 | A kind of device and method of gasifying biomass catalytic reforming biological hydrogen |
| CN112251258A (en) * | 2020-11-05 | 2021-01-22 | 北京一亚高科能源科技有限公司 | TFB gasification furnace with built-in double beds |
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Application publication date: 20120627 |